• Model:BDP

Backdraft Dampers - BDP

£ 5.98 (excl. VAT)

£ 7.18 (inc. VAT)

Ducting Backdraft Dampers

The BDP01 damper has aluminium lamellae which open during the air flow in one direction and close when air is draught back. When no air is flowing, the lamellae are maintained closed using a spring..

Also used to prevent movement of odours and air flow in ducting and noise reduction.

Available sizes - 100m to 315mm, Please select above

Download specifications HERE

Available Options

2 x REE-1 Electronic Speed Controller2 x UB47- Universal Insulated Terminal1 x KRJ - 120 Inlet Guard for CBB/CBT fans1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x FU 22 25 Frequency Inverter4 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ5-4A V2 Inverter Speed Controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x Elta 10 Amp Electronic single phase speed controller.1 x FU 075 04 Frequency Inverter (IP20)1 x ELTA - Single Phase Transformer 2amps4 x Electronic extractor fan speed controller - FSC 1.54 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 2 Amp Electronic single phase speed controller.4 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps2 x Airvent ceiling fan controller1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control5 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019614 x COM-31 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A3 x Remote Timer Control - 13513 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp3 x 7 Day Programmable TIMECLOCK1 x Two Speed Switch - REGUL-21 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Helios TSW 7.5 Amp Transformer speed controller3 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Remote controller FLEX - for VEKO INT1 x Helios TSW 0.3Amp Compact Transformer speed controller3 x Helios TSW 3 Amp Transformer speed controller4 x Systemair Save Connect 2.0 Internet Module2 x Vent Axia ACM 100 inline mixed flow duct fan3 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller5 x MV-B Dual Switch for use with Helios HQW plate fans,5 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x TG-K Duct temperature sensor2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-44 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-10TK5 x Vent Axia ACM 125 inline mixed flow duct fan3 x CS2 Current Switch2 x BEAS-control module1 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios HQW-200/2 - IP551 x Elta ACO Panel 149-ACO14E3 x Isolator Switch - ISOSW1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board1 x Envirovent G4 Filter - SL-G4/F71 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box5 x MWS 1.5 – Transformer Controller With Motor Protection1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Transformer 5 Speed Controller - ATC1-12TK4 x WS - Reversing Switch from Helios Fans3 x Helios HQW-630/4 - IP551 x RDS 7 Helios Transformer Controller With Motor Protection3 x Helios TSW 10 Amp Transformer speed controller1 x DEF-140T Inlet Guard for the CBT-100N2 x CBS-60 Outlet Flange for CSB/CBT-603 x TG-K3/NTC10-01 - Duct temperature sensor3 x Vent Axia T-Series Controller1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection5 x Helios HQW-200/4 - IP551 x Insulated extract Plenum 8+11 x Insulated extract Plenum 6+15 x Transformer (silent) speed controller - RE 3.0 Amp1 x EM30-24 Control Panel Commissioning Service1 x ERR 31/1 Centrifugal inline fan2 x Transformer (silent) speed controller - RE 1.5 Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5003 x Transformer Speed Control - RTRE- 12.0Amp3 x Speed Controller - REB51 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x TG-R room temperature sensor2 x Multiflow SMB550/4-1AC5 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Vent Axia ACM 200 inline mixed flow duct fan2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Quietflow SQS400-1ECL - Centrifugal Box Fan4 x SG-200 Fan Guard for the HQW 2001 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Elta Variable Speed Drive IP66 - 2.2KW3 x Speed Controller - REB103 x REB-CVF 0-10v Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x Transformer (silent) speed controller - RE 5.0 Amp1 x Transformer 5 Speed Controller - ATC1-2TK3 x Transformer 5 Speed Controller - ATC1-4TK3 x MWS 3 – Transformer Controller With Motor Protection1 x DDMP 09-09 3F 2130W M6A4 DG04 x MTP 10, 10K, Speed control2 x Transformer Speed Control - RTRE- 7.0Amp3 x Speed Controller - REB1-N2 x RDS 11 Helios Transformer Controller With Motor Protection2 x Isolator Switch - EFF-ISO1 x Skyflow SSR Horizontal Roof Cowl SSR80B2 x Helios HQW-315/4 - IP551 x Elta Wall Cowl SWC56/631 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x QPTW 250C Acoustic Twin Fan with Controller2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Transformer Speed Control - RTRE- 5.0Amp2 x PIR Sensor - PIR21 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x Vent Axia Silent 100T (TIMER)2 x Helios HQW-250/4 - IP551 x MEV Spider Wireless boost Switch - MEV-SWH-W
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Unbelievable! With TDmixvent500: noise reduction minimum 50%...